CN113350891A - Dehydration process and device for treating ultra-fine ore pulp by ceramic filter - Google Patents
Dehydration process and device for treating ultra-fine ore pulp by ceramic filter Download PDFInfo
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- CN113350891A CN113350891A CN202110802911.6A CN202110802911A CN113350891A CN 113350891 A CN113350891 A CN 113350891A CN 202110802911 A CN202110802911 A CN 202110802911A CN 113350891 A CN113350891 A CN 113350891A
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- ore pulp
- ceramic filter
- storage barrel
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- thickener
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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Abstract
The invention relates to the technical field of ore pulp dehydration, in particular to a dehydration process and a dehydration device for treating superfine ore pulp by a ceramic filter, which comprises an ore pulp storage barrel, a pressure pump, a grader, a ceramic filter, a dosing thickener and a water filtering tank, wherein the top of the ore pulp storage barrel is provided with a feed inlet, and the bottom of the ore pulp storage barrel is provided with a discharge outlet And (4) a foundation.
Description
Technical Field
The invention relates to the technical field of ore pulp dehydration, in particular to a dehydration process and a dehydration device for processing superfine ore pulp by a ceramic filter.
Background
The ceramic filter is widely applied to dehydration of concentrates and tailings of copper, iron, gold, silver, tin, aluminum, lead, zinc, nickel, cobalt, palladium, molybdenum, chromium, nameplate, sulfur, phosphorus, coal, quartz, mica, rare earth and the like, and has good performance in the range of material fineness from-200 meshes to-450 meshes. However, there are still many particles of extra fine size such as-800 mesh, which causes the blocking plate to be serious and causes inefficiency in case of a large proportion of extra fine particles. This is a common disadvantage of the existing ceramic filter.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a dehydration process and a dehydration device for treating superfine slurry by using a ceramic filter with a filter plate not easy to block.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the invention relates to a dewatering device for treating ultra-fine ore pulp by a ceramic filter, which comprises an ore pulp storage barrel, a pressure pump, a grader, a ceramic filter, a dosing thickener and a water filtering tank, wherein a feed inlet is formed in the top of the ore pulp storage barrel, a discharge outlet is formed in the bottom of the ore pulp storage barrel, the pressure pump is communicated with the ore pulp storage barrel and is positioned at the top of the ore pulp storage barrel, a stirring mechanism is further arranged on the ore pulp storage barrel, the discharge outlet is communicated with the grader, a coarse-grain ore pulp discharge outlet and a fine-grain ore pulp discharge outlet are formed in the grader and are communicated with the ceramic filter, the fine-grain ore pulp discharge outlet is communicated with the dosing thickener, the dosing thickener is communicated with the ceramic filter, and liquid guide pipes are arranged among the ceramic filter, the dosing thickener and the water filtering tank.
In order to improve the discharging effect of the ore pulp storage barrel, the invention is improved in that a support frame is arranged at the bottom of the ore pulp storage barrel, the support frame is of a rectangular frame structure, a water injection hole is formed in the ore pulp storage barrel, the discharging hole is communicated with the ore pulp storage barrel through a discharging pipe, the discharging hole is a rectangular discharging hole, and a hydraulic valve is arranged on the discharging pipe.
In order to improve the stirring efficiency, the stirring device is improved in that the stirring structure comprises a driving motor, a telescopic motor, a transmission shaft and a stirring shaft, the driving motor is installed at the top of the ore pulp storage barrel, a grafting frame is welded at one end of the telescopic motor, a bearing is arranged on the grafting frame, the transmission shaft is installed on the driving motor and penetrates through the ore pulp storage barrel to be connected with the bearing, the stirring shaft is installed on the telescopic motor, the stirring shaft is of a telescopic shaft structure, the stirring shaft wraps a first telescopic shaft and a second telescopic shaft, and a stirring rod is arranged at the bottom of the second telescopic shaft.
In order to improve the dewatering effect, the invention has the improvement that the ceramic filter and the dosing thickener are both provided with a filter plate and a leakage chamber, and the leakage chamber is positioned below the filter plate.
A dehydration process for treating ultra-fine ore pulp by a ceramic filter is characterized by comprising the following steps;
step one, raw ore pulp processing, namely storing raw ore pulp into an ore pulp storage barrel, processing and stirring the raw ore pulp by a stirring mechanism, and extruding the raw ore pulp into a grader from the ore pulp storage barrel by using a pressure pump;
step two, classifying the ore pulp, and classifying the granularity of the ore pulp by a classifier;
distributing ore pulp, distributing coarse-grained ore pulp into a ceramic filter to form a bottom filter cake, distributing fine-grained ore pulp into a dosing thickener to be concentrated, and then sending the concentrated fine-grained ore pulp into the ceramic filter to form a surface filter cake;
and step four, dewatering, namely, outputting filtrate water and overflow water of the dosing thickener into a filtrate water tank by the ceramic filter.
(III) advantageous effects
Compared with the prior art, the invention provides a dehydration process and a dehydration device for treating ultra-fine ore pulp by using a ceramic filter, and the dehydration process and the dehydration device have the following beneficial effects:
according to the invention, the blockage of the filter plate is reduced through the double-layer filter cake, so that the aim of improving the bench efficiency is achieved, the double-layer filter cake is formed by adsorbing coarse particles on the surface of the filter plate firstly, a surface filter cake is formed by fine particles on the surface of the bottom filter cake, larger particles in the fine particles are on the outermost layer, and a part of fine particles enter pores formed by the bottom filter cake to form blockage, so that the possibility of blockage of the filter plate is reduced by intercepting ultra-small particles by the bottom filter cake, the filtering efficiency is improved, and a material basis is made for forming the double-layer filter cake by grading feeding and dosing concentration to form an upper layer of ore pulp and a lower layer of ore pulp (thickness layering) in a pulp tank of the filter.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a process flow of the present invention;
in the figure: 1. a pulp storage barrel; 2. a drive motor; 3. a pressure pump; 4. a support frame; 5. a feed inlet; 6. a telescopic motor; 7. a grafting frame; 8. a first telescopic shaft; 9. a second telescopic shaft; 10. a stirring rod; 11. a drive shaft; 12. a discharge pipe; 13. a discharge port; 14. a valve; 15. a classifier; 16. a dosing thickener; 17. a ceramic filter; 18. a water filtering tank;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the dewatering device for processing ultra-fine ore pulp by a ceramic filter of the present invention comprises an ore pulp storage tank 1, a pressure pump 3, a classifier 15, a ceramic filter 17, a chemical-adding thickener 16 and a water filtering tank 18, the top of the ore pulp storage barrel 1 is provided with a feeding hole 5, the bottom of the ore pulp storage barrel 1 is provided with a discharging hole 13, the pressure pump 3 is communicated with the ore pulp storage barrel 1, and is positioned at the top of the ore pulp storage barrel 1, the ore pulp storage barrel 1 is also provided with a stirring mechanism, the discharge port 13 is communicated with a grader 15, the classifier 15 is provided with a coarse grain pulp discharge port and a fine grain pulp discharge port, the coarse grain pulp discharge port is communicated with the ceramic filter 17, the fine ore pulp discharge port is communicated with a dosing thickener 16, the dosing thickener 16 is communicated with a ceramic filter 17, liquid guide pipes are arranged between the ceramic filter 17 and the dosing thickener 16 and between the water filtering pool 18.
The bottom of ore pulp storage bucket 1 is equipped with support frame 4, support frame 4 is the rectangular frame structure, be equipped with the water injection hole on the ore pulp storage bucket 1, discharge gate 13 passes through discharging pipe 12 and 1 intercommunication of ore pulp storage bucket, discharge gate 13 is the rectangle discharge gate, be equipped with hydraulic pressure valve 14 on the discharging pipe 12.
In order to improve stirring efficiency, the stirring structure includes driving motor 2, flexible motor 6, transmission shaft 11 and (mixing) shaft, driving motor 2 installs the top at ore pulp storage bucket 1, the one end welding of flexible motor 6 has grafting frame 7, be equipped with the bearing on grafting frame 7, transmission shaft 11 is installed on driving motor 2, and runs through the ore pulp storage bucket 1 and be connected with the bearing, the (mixing) shaft is installed on flexible motor 6, the (mixing) shaft is the telescopic shaft structure, the (mixing) shaft parcel first telescopic shaft 8 and second telescopic shaft 9, the bottom of second telescopic shaft 9 is equipped with puddler 10.
In order to improve the dewatering effect, a filter plate and a leakage chamber are arranged in the ceramic filter 17 and the dosing thickener 16, and the leakage chamber is positioned below the filter plate.
A dehydration process for treating ultra-fine ore pulp by a ceramic filter is characterized by comprising the following steps;
step one, raw ore pulp processing, namely storing raw ore pulp into an ore pulp storage barrel 1, processing and stirring the raw ore pulp by a stirring mechanism, and extruding the raw ore pulp into a grader 15 from the ore pulp storage barrel 1 by using a pressure pump 3;
step two, classifying the ore pulp, and classifying the granularity of the ore pulp by a classifier 15;
distributing ore pulp, distributing coarse-grained ore pulp to the ceramic filter 17 to form a bottom filter cake, distributing fine-grained ore pulp to the dosing thickener 16 for concentration, and then sending the concentrated fine-grained ore pulp to the ceramic filter 17 to form a surface filter cake;
and step four, dewatering treatment, namely, outputting filtrate water from the ceramic filter 17 and overflow water from the dosing thickener 16 into a filtrate water tank.
When the pulp classifier is used, raw ore pulp is stored in an ore pulp storage barrel 1, the raw ore pulp is extruded into the classifier 15 from the ore pulp storage barrel 1 by using the pressure pump 3 after being processed and stirred by the stirring mechanism, the coarse-fraction ore pulp separated by the classifier 15 is sent to the bottom of an ore pulp tank of a ceramic filter 17 to form a coarse-fraction cake layer, the fine-fraction ore pulp separated by the classifier 15 is concentrated by a chemical-adding thickener 16 and then sent to the middle of the ore pulp tank of the filter to form an upper layer of ore pulp and a lower layer of ore pulp, the double-layer filter cake is formed by that coarse particles are firstly adsorbed on the surface of a filter plate to form a bottom filter cake, then the surface of the bottom filter cake is formed by fine particles, and the filter liquor water output by the ceramic filter 17 and the overflow water of the chemical-adding thickener 16 enter a filter liquor tank.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a ceramic filter handles superfine ore pulp dewatering device, its characterized in that, includes ore pulp storage bucket (1), force (forcing) pump (3), grader (15), ceramic filter (17), adds medicine thickener (16) and drainage pond (18), the top of ore pulp storage bucket (1) is equipped with feed inlet (5), the bottom of ore pulp storage bucket (1) is equipped with discharge gate (13), force (forcing) pump (3) and ore pulp storage bucket (1) intercommunication, and be located the top of ore pulp storage bucket (1), still be equipped with rabbling mechanism on ore pulp storage bucket (1), discharge gate (13) and grader (15) intercommunication, be equipped with coarse grain ore pulp discharge gate on grader (15) with fine grain ore pulp discharge gate, coarse grain ore pulp discharge gate and ceramic filter (17) intercommunication, fine grain ore pulp discharge gate and medicine thickener (16) intercommunication, it communicates with ceramic filter (17) to add medicine thickener (16), and liquid guide pipes are arranged between the ceramic filter (17) and the dosing thickener (16) and are communicated with the water filtering pool (18).
2. The dewatering device for processing ultra-fine ore pulp by using the ceramic filter as claimed in claim 1, wherein a support frame (4) is arranged at the bottom of the ore pulp storage barrel (1), the support frame (4) is of a rectangular frame structure, and water injection holes are formed in the ore pulp storage barrel (1).
3. A dewatering device for processing ultra-fine ore pulp by a ceramic filter according to claim 1, characterized in that the discharge port (13) is communicated with the ore pulp storage barrel (1) through a discharge pipe (12), the discharge port (13) is a rectangular discharge port, and a hydraulic valve (14) is arranged on the discharge pipe (12).
4. The dewatering device for processing ultra-fine ore pulp by using the ceramic filter as claimed in claim 1, wherein the stirring structure comprises a driving motor (2), a telescopic motor (6), a transmission shaft (11) and a stirring shaft, the driving motor (2) is installed at the top of the ore pulp storage barrel (1), a grafting frame (7) is welded at one end of the telescopic motor (6), a bearing is arranged on the grafting frame (7), the transmission shaft (11) is installed on the driving motor (2) and penetrates through the ore pulp storage barrel (1) to be connected with the bearing, the stirring shaft is installed on the telescopic motor (6), the stirring shaft is of a telescopic shaft structure, the stirring shaft wraps a first telescopic shaft (8) and a second telescopic shaft (9), and a stirring rod (10) is arranged at the bottom of the second telescopic shaft (9).
5. A dewatering apparatus for treating ultra-fine ore slurry with a ceramic filter according to claim 1, wherein a filter plate and a leakage chamber are provided in the ceramic filter (17) and the chemical-adding thickener (16), and the leakage chamber is located below the filter plate.
6. A dehydration process for treating ultra-fine ore pulp by a ceramic filter is characterized by comprising the following steps;
step one, raw ore pulp is processed, the raw ore pulp is stored in an ore pulp storage barrel (1), and is extruded into a grader (15) from the ore pulp storage barrel (1) by using a pressure pump (3) after being processed and stirred by a stirring mechanism;
step two, ore pulp classification, wherein the ore pulp is classified according to the granularity by a classifier (15);
distributing ore pulp, distributing coarse-grained ore pulp into a ceramic filter (17) to form a bottom filter cake, distributing fine-grained ore pulp into a dosing thickener (16), concentrating, and then sending into the ceramic filter (17) to form a surface filter cake;
and step four, dewatering treatment, namely, outputting filtrate water from the ceramic filter (17) and overflow water from the dosing thickener (16) into a filtrate water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110802911.6A CN113350891A (en) | 2021-07-15 | 2021-07-15 | Dehydration process and device for treating ultra-fine ore pulp by ceramic filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110802911.6A CN113350891A (en) | 2021-07-15 | 2021-07-15 | Dehydration process and device for treating ultra-fine ore pulp by ceramic filter |
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| CN113350891A true CN113350891A (en) | 2021-09-07 |
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| CN202110802911.6A Pending CN113350891A (en) | 2021-07-15 | 2021-07-15 | Dehydration process and device for treating ultra-fine ore pulp by ceramic filter |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920137A (en) * | 2010-08-13 | 2010-12-22 | 云南大红山管道有限公司 | Ceramic filtering machine dehydrating system and dehydration technique thereof |
| CN201755432U (en) * | 2010-08-13 | 2011-03-09 | 云南大红山管道有限公司 | Dewatering system of ceramic filter |
| CN104958949A (en) * | 2015-06-18 | 2015-10-07 | 内蒙古中西矿业有限公司 | Multi-distribution system of tailings dry discharge belt filtering machine |
| CN107596779A (en) * | 2017-09-25 | 2018-01-19 | 安徽金安矿业有限公司 | A kind of layer-stepping filtering dewatering method and device |
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2021
- 2021-07-15 CN CN202110802911.6A patent/CN113350891A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920137A (en) * | 2010-08-13 | 2010-12-22 | 云南大红山管道有限公司 | Ceramic filtering machine dehydrating system and dehydration technique thereof |
| CN201755432U (en) * | 2010-08-13 | 2011-03-09 | 云南大红山管道有限公司 | Dewatering system of ceramic filter |
| CN104958949A (en) * | 2015-06-18 | 2015-10-07 | 内蒙古中西矿业有限公司 | Multi-distribution system of tailings dry discharge belt filtering machine |
| CN107596779A (en) * | 2017-09-25 | 2018-01-19 | 安徽金安矿业有限公司 | A kind of layer-stepping filtering dewatering method and device |
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Application publication date: 20210907 |